CN115031531A

CN115031531A - Environment-friendly energy-saving high-conversion-rate rare earth catalyst roasting device

Info

Publication number: CN115031531A
Application number: CN202210635137.9A
Authority: CN
Inventors: 刘绍鹏; 贺峰; 强承魁; 孙云莉
Original assignee: Xuzhou Vocational College of Bioengineering
Current assignee: Xuzhou Vocational College of Bioengineering
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-09
Also published as: ZA202213824B

Abstract

The invention discloses an environment-friendly energy-saving high-conversion-rate rare earth catalyst roasting device which comprises a device body, wherein a roasting cavity in a round platform-shaped structure is formed in the device body, two turning cavities are symmetrically formed in the device body relative to the roasting cavity, the inner top end of the roasting cavity is rotatably connected with a square shaft through a bearing, and the upper end of the device body is fixedly connected with a support frame in a door-shaped structure. In the process of using the device, the motor drives the square shaft to drive each stirring rod to rotate, the cam rotates relative to the rolling piece, the rolling piece is always in abutting contact with the lower surface of the cam under the elastic force of the springs, the heights of all points of the cam in the circular track of the rotation of the rolling piece are different, the pressing plate goes up and down under the action of the height difference, other stirring rods are unfolded and folded by taking the stirring rod located at the lowest part as a starting point under the action of the springs, the stirring form changes, and the stirring effect is improved.

Description

Environment-friendly energy-saving high-conversion-rate rare earth catalyst roasting device

Technical Field

The invention relates to the technical field of rare earth catalysts, in particular to a roasting device for an environment-friendly energy-saving high-conversion-rate rare earth catalyst.

Background

Through the retrieval, chinese granted patent No. CN214183134U discloses a calcination device of environmental protection and energy saving high conversion rate rare earth catalyst, which comprises a box body, the right side upper end of box runs through and is provided with the inlet pipe, the upper end of box is provided with first motor, the lower extreme of first motor extends there is the one end fixedly connected with dwang of motor shaft and motor shaft, the inside of box is provided with a calcination section of thick bamboo, the inside that extends to a calcination section of thick bamboo of dwang, the side of dwang and in the equidistant fixedly connected with a plurality of stirring vane of the inside of a calcination section of thick bamboo, the equal fixedly connected with heater of both sides inner wall of box, the right side fixedly connected with collecting box of box.

The rare earth catalyst is heated uniformly through full stirring, and because the rare earth catalyst has certain quality, no matter the rotation of the rotating rod and the stirring blade or the rotation of the roasting barrel, the rare earth catalyst is always positioned at the bottom of the roasting barrel, and the heater is also arranged at the lower position, so that the temperature of the rare earth catalyst above the rare earth catalyst is necessarily slightly lower than that of the rare earth catalyst below the rare earth catalyst, and the problem of nonuniform heating still exists.

Therefore, an environment-friendly and energy-saving roasting device for the rare earth catalyst with high conversion rate is provided to solve the problems.

Disclosure of Invention

The invention aims to provide an environment-friendly and energy-saving roasting device for a rare earth catalyst with high conversion rate to solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme:

the roasting device for the environment-friendly energy-saving high-conversion-rate rare earth catalyst comprises a device body, wherein a roasting cavity in a round platform-shaped structure is formed in the device body, two stirring cavities are symmetrically formed in the device body relative to the roasting cavity, the inner top end of the roasting cavity is rotatably connected with a square shaft by using a bearing, the upper end of the device body is fixedly connected with a support frame in a door-shaped structure, a motor for driving the square shaft is fixedly installed at the upper end of the support frame, the square shaft is uniformly provided with a plurality of stirring rods from top to bottom, the stirring rod positioned at the lowest part is fixedly connected with the lower end of the square shaft, the other stirring rods are sleeved on the square shaft in a sliding manner, a spring is fixedly connected between every two adjacent stirring rods, the spring is sleeved outside the square shaft, a pressing plate is sleeved on the square shaft by using a bearing, and the upper end of the pressing plate is vertically and fixedly connected with a vertical rod, the upper end of the vertical rod is connected with a rolling piece, the outer wall of the square shaft above the device body is fixedly sleeved with a cam, and the rolling piece is in rolling contact with the lower end face of the cam; each turn the intracavity and rotate along its extending direction and be connected with first hob, the upper end of first hob runs through and turns intracavity roof and coaxial fixedly connected with first gear, the coaxial fixedly connected with of square shaft and two first gear meshing's second gear, the upper and lower inner wall in the chamber of turning is seted up discharge gate and the feed inlet with calcination chamber intercommunication respectively.

Preferably, the lengths of the plurality of stirring rods arranged from top to bottom are gradually increased.

Preferably, the upper end of the stirring rod positioned at the uppermost part is provided with a small roller, and the small roller is in rolling connection with the pressure plate.

Preferably, one of the two first screw rods is a left-handed screw rod, and the other one of the two first screw rods is a right-handed screw rod.

Preferably, the inner bottom wall of the roasting cavity is provided with a material guiding surface, the material guiding aspect of the material guiding surface faces the material inlet, and the inner bottom wall of the material guiding surface is embedded with a heating element.

Preferably, the inner bottom wall of the roasting cavity is communicated with a discharging pipe at a position corresponding to the turning cavity, and the discharging pipe is internally provided with an electromagnetic valve.

Preferably, a feeding pipe vertically penetrates through the inner top end of the roasting cavity, the upper end of the feeding pipe is communicated with a feeding hopper, a second spiral rod is arranged in the feeding pipe, the upper end of the second spiral rod is rotatably connected with the support frame, and the second spiral rod is in transmission connection with the square shaft belt.

Preferably, an exhaust gas pipe vertically penetrates through the inner top end of the roasting cavity, and the upper end of the exhaust gas pipe is connected with an exhaust gas treatment device.

Compared with the prior art, the invention has the beneficial effects that:

1. in the process of using the device, the motor drives the square shaft to drive the rotating process of each stirring rod, the cam rotates relative to the rolling piece, the rolling piece is always abutted to the lower surface of the cam under the elastic force of the springs to be in pressure contact with the lower surface of the cam, the heights of all points of the cam in the circular track of the rotation of the rolling piece are different, under the action of height difference, the pressing plate goes up and down, under the action of the springs, other stirring rods are unfolded and folded by taking the stirring rod located at the lowest part as a starting point, the stirring form changes, and the stirring effect is further improved.

2. In the in-process of using this device, the square shaft passes through the second gear and two first gears of meshing with it with each two first hob of torque transmission, nevertheless because the rotation direction of two first hobs is different, upwards turn the material simultaneously in order to guarantee two first hobs, the material in the calcination intracavity gets into the intracavity of turning through the feed inlet, upwards turn the material under the rotation of the first hobs under the rotation state and get into the calcination intracavity through the discharge gate, constantly change the position that the material is in the calcination intracavity, it is even to make the material be heated.

Drawings

FIG. 1 is a front view of a sectional structure of a calcination apparatus for an environment-friendly, energy-saving and high-conversion rate rare earth catalyst;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of the joint between the second screw rod and the square shaft of the calcination device for the rare earth catalyst with high conversion rate, which is provided by the invention and is environmentally friendly and energy-saving;

FIG. 4 is a schematic structural diagram of a partial top view of a calcination apparatus for an environment-friendly, energy-saving and high-conversion rate rare earth catalyst provided by the invention.

In the figure: the device comprises a device body 1, a roasting cavity 2, a turning cavity 3, a material guide surface 4, a square shaft 5, a stirring rod 6, a spring 7, a pressing plate 8, a cam 9, a vertical rod 10, a rolling part 11, a material outlet 12, a material inlet 13, a first screw rod 14, a first gear 15, a second gear 16, a material inlet pipe 17, a material inlet hopper 18, a waste gas pipe 19, a support frame 20, a motor 21, a second screw rod 22, a material discharge pipe 23 and a heating element 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, the calcining device of the environment-friendly energy-saving high-conversion rate rare earth catalyst comprises a device body 1, wherein a calcining cavity 2 in a round platform-shaped structure is formed in the device body 1, two turning cavities 3 are symmetrically formed in the device body 1 relative to the calcining cavity 2, and the turning cavities 3 are arranged along the shape characteristics of the calcining cavity 2.

The inner top end of the roasting cavity 2 is rotationally connected with a square shaft 5 by a bearing, the upper end of the device body 1 is fixedly connected with a support frame 20 with a door-shaped structure, the upper end of the support frame 20 is fixedly provided with a motor 21 for driving the square shaft 5, the square shaft 5 is evenly provided with a plurality of stirring rods 6 from top to bottom, the motor 21 drives the square shaft 5 to drive the stirring rods 6 to rotate so as to stir materials, the inner diameter of the roasting cavity 2 from top to bottom is gradually increased, the length of the stirring rods 6 from top to bottom is gradually increased corresponding to the internal structure of the roasting cavity 2,

lie in the lower extreme fixed connection of puddler 6 and square shaft 5 of below, other puddlers 6 slide to cup joint on square shaft 5, common fixedly connected with spring 7 between per two adjacent puddlers 6, and the cover of spring 7 is established outside square shaft 5, use the bearing to cup joint clamp plate 8 on the square shaft 5, through clamp plate 8 power of transmitting downwards, come effort synchronous transfer to other puddlers 6 through spring 7 in addition, lie in the upper end of the puddler 6 of the top and install small-size gyro wheel, and small-size gyro wheel and 8 roll connections of clamp plate, replace and rotate friction and connect, mechanical efficiency is improved.

The vertical fixedly connected with montant 10 in the upper end of clamp plate 8, the upper end of montant 10 is connected with rolling member 11, and rolling member 11 comprises rolling sleeve and the rolling ball with rolling sleeve roll connection, and the rolling ball rolls contact with the lower terminal surface of cam 9, and the outer wall of square shaft 5 in device body 1 top is fixed to be cup jointed cam 9, and rolling member 11 and the lower terminal surface roll contact of cam 9.

In the process of using the device, the motor 21 drives the square shaft 5 to drive the stirring rods 6 to rotate, the cam 9 rotates relative to the rolling piece 11, the rolling piece 11 is always in abutting contact with the lower surface of the cam 9 under the elastic force of the springs 7, the heights of all points of the cam 9 in the rotating circular track of the rolling piece 11 are different, the pressing plate 8 is lifted under the action of the height difference, the other stirring rods 6 are unfolded and folded by taking the stirring rod 6 located at the lowest part as a starting point under the action of the springs 7, the stirring form is changed, and the stirring effect is further improved.

The vertical pan feeding pipe 17 that runs through of interior top in calcination chamber 2, the upper end intercommunication of pan feeding pipe 17 has into hopper 18, enlarge the material receiving scope of pan feeding pipe 17 through going into hopper 18, more be favorable to the raw materials to put in, be equipped with second hob 22 in the pan feeding pipe 17, the upper end and the support frame 20 of second hob 22 rotate to be connected, second hob 22 is connected with 5 belt drives of square shaft, motor 21 is at the in-process of drive square shaft 5, it just gives second hob 22 to take the transmission effect to descend the torque transmission, it needs to explain, second hob 22 is placed for common hob handstand, in order to drive the material constantly to descend and get into calcination chamber 2, improve feed rate.

The vertical exhaust pipe 19 that runs through of the interior top in calcination chamber 2, exhaust pipe 19's upper end is connected with exhaust-gas treatment equipment, and exhaust-gas treatment equipment is prior art, and the waste gas accessible exhaust-gas treatment equipment that flows out through exhaust pipe 19 handles, avoids polluting the atmosphere.

Each turn over in the chamber 3 and rotate along its extending direction and be connected with first hob 14, the upper end of first hob 14 runs through and turns over chamber 3 inner roof and coaxial fixedly connected with first gear 15, the coaxial fixedly connected with of square shaft 5 and two first gear 15 engaged with second gear 16, turn over the upper and lower inner wall in chamber 3 and offer respectively with calcination chamber 2 intercommunication discharge gate 12 and feed inlet 13.

In the process of using the device, the square shaft 5 transmits torque to each two first spiral rods 14 through the second gear 16 and the two first gears 15 meshed with the second gear, however, because the rotation directions of the two first spiral rods 14 are different, in order to ensure that the two first spiral rods 14 simultaneously turn over materials upwards, the two first spiral rods 14 are arranged to be a left-handed spiral rod and a right-handed spiral rod, the materials in the roasting cavity 2 enter the turning cavity 3 through the feed inlet 13, the materials are turned upwards under the rotation of the first spiral rods 14 in a rotation state until the materials enter the roasting cavity 2 through the discharge outlet 12, the position of the materials in the roasting cavity 2 is constantly changed, and the materials are uniformly heated.

The inner bottom wall of roasting cavity 2 is equipped with guide surface 4, and the aspect of the guide of guide surface 4 is towards feed inlet 13, leads the material through guide surface 4 to make the material better pass through feed inlet 13, and the inner bottom wall of guide surface 4 inlays and is equipped with heating element 24, and heating element 24 is prior art, can be the hot plate.

The inner bottom wall of the roasting cavity 2 is communicated with a discharging pipe 23 at a position corresponding to the turning cavity 3, and an electromagnetic valve is arranged in the discharging pipe 23. After the baking process, when the motor 21 is stopped, the solenoid valve can be opened to allow the material to flow out through the discharging pipe 23.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a calcination device of environmental protection and energy saving high conversion rate rare earth catalyst which characterized in that: the device comprises a device body (1), wherein a roasting cavity (2) in a round table-shaped structure is formed in the device body (1), two turning cavities (3) are symmetrically formed in the device body (1) relative to the roasting cavity (2), the inner top end of the roasting cavity (2) is rotatably connected with a square shaft (5) through a bearing, the upper end of the device body (1) is fixedly connected with a support frame (20) in a door-shaped structure, a motor (21) for driving the square shaft (5) is fixedly installed at the upper end of the support frame (20), the square shaft (5) is uniformly provided with a plurality of stirring rods (6) from top to bottom, the stirring rods (6) positioned at the bottom are fixedly connected with the lower end of the square shaft (5), other stirring rods (6) are sleeved on the square shaft (5) in a sliding manner, a spring (7) is fixedly connected between every two adjacent stirring rods (6) together, the spring (7) is sleeved outside the square shaft (5), the square shaft (5) is sleeved with the pressing plate (8) through a bearing, the upper end of the pressing plate (8) is vertically and fixedly connected with the vertical rod (10), the upper end of the vertical rod (10) is connected with the rolling piece (11), the outer wall of the square shaft (5) above the device body (1) is fixedly sleeved with the cam (9), and the rolling piece (11) is in rolling contact with the lower end face of the cam (9);

each turning cavity (3) is internally and rotatably connected with a first screw rod (14) along the extending direction of the turning cavity, the upper end of the first screw rod (14) penetrates through the inner top wall of the turning cavity (3) and is coaxially and fixedly connected with a first gear (15), a square shaft (5) is coaxially and fixedly connected with second gears (16) meshed with the two first gears (15), and the upper inner wall and the lower inner wall of the turning cavity (3) are respectively provided with a discharge hole (12) and a feed hole (13) communicated with the roasting cavity (2).

2. The calcination device of the environmental-friendly energy-saving high-conversion rate rare earth catalyst according to claim 1, characterized in that: the lengths of the stirring rods (6) arranged from top to bottom are gradually increased.

3. The calcination device of the environmental-friendly energy-saving high-conversion rate rare earth catalyst according to claim 1, characterized in that: be located the top small-size gyro wheel is installed to the upper end of puddler (6), and small-size gyro wheel and clamp plate (8) roll connection.

4. The calcination device of the rare earth catalyst with environmental protection, energy conservation and high conversion rate as claimed in claim 1, characterized in that: one of the two first screw rods (14) is a left-handed screw rod, and the other one of the two first screw rods is a right-handed screw rod.

5. The calcination device of the environmental-friendly energy-saving high-conversion rate rare earth catalyst according to claim 1, characterized in that: the inner bottom wall of the roasting cavity (2) is provided with a material guide surface (4), the material guide aspect of the material guide surface (4) faces to the feed inlet (13), and the inner bottom wall of the material guide surface (4) is embedded with a heating element (24).

6. The calcination device of the environmental-friendly energy-saving high-conversion rate rare earth catalyst according to claim 1, characterized in that: the inner bottom wall of the roasting cavity (2) is communicated with a discharging pipe (23) at a position corresponding to the turning cavity (3), and an electromagnetic valve is installed in the discharging pipe (23).

7. The calcination device of the rare earth catalyst with environmental protection, energy conservation and high conversion rate as claimed in claim 1, characterized in that: the roasting device is characterized in that a feeding pipe (17) vertically penetrates through the inner top end of the roasting cavity (2), the upper end of the feeding pipe (17) is communicated with a feeding hopper (18), a second spiral rod (22) is arranged in the feeding pipe (17), the upper end of the second spiral rod (22) is rotatably connected with a support frame (20), and the second spiral rod (22) is in belt transmission connection with the square shaft (5).

8. The calcination device of the environmental-friendly energy-saving high-conversion rate rare earth catalyst according to claim 1, characterized in that: an exhaust gas pipe (19) vertically penetrates through the top end of the roasting cavity (2), and the upper end of the exhaust gas pipe (19) is connected with an exhaust gas treatment device.